Solid State Relay - Sharp SX 1075 Service Maintenance Manual

SOLID STATE RELAY

TM
The Sharp SX Bagger uses a Solid State Relay to
provide power to the heating element.
TESTING
There are two sets of connections to check on the
Solid State Relay. One is the incoming control
signal from the PLC, pins 3 and 4. The other
connection is the incoming power, pins 1 and 2.
Control Signal
1. Remove the four screws holding the Load
Plate, set Load Plate aside (Figure 3-96).
Figure 3-96. Load Plate Screws
2. Remove the six screws holding the Frame
Cover, set Frame Cover aside (Figure 3-97).
Figure 3-97. Frame Cover Screws
SX™
Service and Maintenance Manual
SECTION 3 – COMPONENT REPAIR
ELECTRICAL COMPONENTS
USE EXTREME CAUTION WHILE SERVICING A
MACHINE
UNEXPECTED
CAUSE SERIOUS INJURY.
DO NOT ATTEMPT TO SERVICE THE MACHINE
DURING NORMAL OPERATION. KEEP HANDS
AND ARMS CLEAR OF MOVING PARTS.
WHEN TESTING ELECTRICAL COMPONENTS
WHILE POWER IS APPLIED TO THE MACHINE,
USE
TECHNIQUES TO AVOID ELECTRICAL SHOCK.
3. Locate Solid State Relay and remove clear
plastic cover (Figure 3-98).
4. Power up machine and cycle. If the LED
momentarily lights, proceed to Incoming Power
section.
3-35
WARNING
WHILE POWER
MACHINE
WARNING
WARNING
PROPER
Figure 3-98. Solid State Relay with cover
IS APPLIED.
STARTUP CAN
TROUBLESHOOTING
960714-02B © 2007 I2407